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Date:   Wed, 5 Feb 2020 12:02:33 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     kbuild-all@...ts.01.org,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Nick Crews <ncrews@...omium.org>, linux-kernel@...r.kernel.org,
        Daniel Campello <campello@...omium.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: Re: [PATCH v1] platform/chrome: wilco_ec: Platform data shan't
 include kernel.h

Hi Andy,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.5 next-20200204]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Andy-Shevchenko/platform-chrome-wilco_ec-Platform-data-shan-t-include-kernel-h/20200205-035444
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git d4e9056daedca3891414fe3c91de3449a5dad0f2
config: x86_64-randconfig-e003-20200204 (attached as .config)
compiler: gcc-7 (Debian 7.5.0-3) 7.5.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>

All error/warnings (new ones prefixed by >>):

>> drivers/platform/chrome/wilco_ec/sysfs.c:66:12: warning: 'struct device_attribute' declared inside parameter list will not be visible outside of this definition or declaration
        struct device_attribute *attr,
               ^~~~~~~~~~~~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c: In function 'boot_on_ac_store':
>> drivers/platform/chrome/wilco_ec/sysfs.c:69:31: error: implicit declaration of function 'dev_get_drvdata' [-Werror=implicit-function-declaration]
     struct wilco_ec_device *ec = dev_get_drvdata(dev);
                                  ^~~~~~~~~~~~~~~
>> drivers/platform/chrome/wilco_ec/sysfs.c:69:31: warning: initialization makes pointer from integer without a cast [-Wint-conversion]
   drivers/platform/chrome/wilco_ec/sysfs.c: At top level:
>> drivers/platform/chrome/wilco_ec/sysfs.c:97:8: error: type defaults to 'int' in declaration of 'DEVICE_ATTR_WO' [-Werror=implicit-int]
    static DEVICE_ATTR_WO(boot_on_ac);
           ^~~~~~~~~~~~~~
>> drivers/platform/chrome/wilco_ec/sysfs.c:97:1: warning: parameter names (without types) in function declaration
    static DEVICE_ATTR_WO(boot_on_ac);
    ^~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c: In function 'get_info':
   drivers/platform/chrome/wilco_ec/sysfs.c:101:31: warning: initialization makes pointer from integer without a cast [-Wint-conversion]
     struct wilco_ec_device *ec = dev_get_drvdata(dev);
                                  ^~~~~~~~~~~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c: At top level:
   drivers/platform/chrome/wilco_ec/sysfs.c:122:56: warning: 'struct device_attribute' declared inside parameter list will not be visible outside of this definition or declaration
    static ssize_t version_show(struct device *dev, struct device_attribute *attr,
                                                           ^~~~~~~~~~~~~~~~
>> drivers/platform/chrome/wilco_ec/sysfs.c:128:8: error: type defaults to 'int' in declaration of 'DEVICE_ATTR_RO' [-Werror=implicit-int]
    static DEVICE_ATTR_RO(version);
           ^~~~~~~~~~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c:128:1: warning: parameter names (without types) in function declaration
    static DEVICE_ATTR_RO(version);
    ^~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c:131:15: warning: 'struct device_attribute' declared inside parameter list will not be visible outside of this definition or declaration
           struct device_attribute *attr, char *buf)
                  ^~~~~~~~~~~~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c:136:8: error: type defaults to 'int' in declaration of 'DEVICE_ATTR_RO' [-Werror=implicit-int]
    static DEVICE_ATTR_RO(build_revision);
           ^~~~~~~~~~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c:136:1: warning: parameter names (without types) in function declaration
    static DEVICE_ATTR_RO(build_revision);
    ^~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c:139:18: warning: 'struct device_attribute' declared inside parameter list will not be visible outside of this definition or declaration
              struct device_attribute *attr, char *buf)
                     ^~~~~~~~~~~~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c:144:8: error: type defaults to 'int' in declaration of 'DEVICE_ATTR_RO' [-Werror=implicit-int]
    static DEVICE_ATTR_RO(build_date);
           ^~~~~~~~~~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c:144:1: warning: parameter names (without types) in function declaration
    static DEVICE_ATTR_RO(build_date);
    ^~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c:147:13: warning: 'struct device_attribute' declared inside parameter list will not be visible outside of this definition or declaration
         struct device_attribute *attr, char *buf)
                ^~~~~~~~~~~~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c:152:8: error: type defaults to 'int' in declaration of 'DEVICE_ATTR_RO' [-Werror=implicit-int]
    static DEVICE_ATTR_RO(model_number);
           ^~~~~~~~~~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c:152:1: warning: parameter names (without types) in function declaration
    static DEVICE_ATTR_RO(model_number);
    ^~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c:177:16: warning: 'struct device_attribute' declared inside parameter list will not be visible outside of this definition or declaration
            struct device_attribute *attr, char *buf)
                   ^~~~~~~~~~~~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c: In function 'usb_charge_show':
   drivers/platform/chrome/wilco_ec/sysfs.c:179:31: warning: initialization makes pointer from integer without a cast [-Wint-conversion]
     struct wilco_ec_device *ec = dev_get_drvdata(dev);
                                  ^~~~~~~~~~~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c: At top level:
   drivers/platform/chrome/wilco_ec/sysfs.c:196:17: warning: 'struct device_attribute' declared inside parameter list will not be visible outside of this definition or declaration
             struct device_attribute *attr,
                    ^~~~~~~~~~~~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c: In function 'usb_charge_store':
   drivers/platform/chrome/wilco_ec/sysfs.c:199:31: warning: initialization makes pointer from integer without a cast [-Wint-conversion]
     struct wilco_ec_device *ec = dev_get_drvdata(dev);
                                  ^~~~~~~~~~~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c: At top level:
>> drivers/platform/chrome/wilco_ec/sysfs.c:223:8: error: type defaults to 'int' in declaration of 'DEVICE_ATTR_RW' [-Werror=implicit-int]
    static DEVICE_ATTR_RW(usb_charge);
           ^~~~~~~~~~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c:223:1: warning: parameter names (without types) in function declaration
    static DEVICE_ATTR_RW(usb_charge);
    ^~~~~~
>> drivers/platform/chrome/wilco_ec/sysfs.c:226:3: error: 'dev_attr_boot_on_ac' undeclared here (not in a function)
     &dev_attr_boot_on_ac.attr,
      ^~~~~~~~~~~~~~~~~~~
>> drivers/platform/chrome/wilco_ec/sysfs.c:227:3: error: 'dev_attr_build_date' undeclared here (not in a function); did you mean 'dev_attr_boot_on_ac'?
     &dev_attr_build_date.attr,
      ^~~~~~~~~~~~~~~~~~~
      dev_attr_boot_on_ac
>> drivers/platform/chrome/wilco_ec/sysfs.c:228:3: error: 'dev_attr_build_revision' undeclared here (not in a function); did you mean 'dev_attr_build_date'?
     &dev_attr_build_revision.attr,
      ^~~~~~~~~~~~~~~~~~~~~~~
      dev_attr_build_date
>> drivers/platform/chrome/wilco_ec/sysfs.c:229:3: error: 'dev_attr_model_number' undeclared here (not in a function); did you mean 'dev_attr_build_date'?
     &dev_attr_model_number.attr,
      ^~~~~~~~~~~~~~~~~~~~~
      dev_attr_build_date
>> drivers/platform/chrome/wilco_ec/sysfs.c:230:3: error: 'dev_attr_usb_charge' undeclared here (not in a function); did you mean 'send_usb_charge'?
     &dev_attr_usb_charge.attr,
      ^~~~~~~~~~~~~~~~~~~
      send_usb_charge
>> drivers/platform/chrome/wilco_ec/sysfs.c:231:3: error: 'dev_attr_version' undeclared here (not in a function); did you mean 'dev_attr_boot_on_ac'?
     &dev_attr_version.attr,
      ^~~~~~~~~~~~~~~~
      dev_attr_boot_on_ac
   drivers/platform/chrome/wilco_ec/sysfs.c: In function 'wilco_ec_add_sysfs':
>> drivers/platform/chrome/wilco_ec/sysfs.c:241:36: error: dereferencing pointer to incomplete type 'struct device'
     return sysfs_create_group(&ec->dev->kobj, &wilco_dev_attr_group);
                                       ^~
>> drivers/platform/chrome/wilco_ec/sysfs.c:241:36: error: request for member 'kobj' in something not a structure or union
>> drivers/platform/chrome/wilco_ec/sysfs.c:241:28: error: passing argument 1 of 'sysfs_create_group' from incompatible pointer type [-Werror=incompatible-pointer-types]
     return sysfs_create_group(&ec->dev->kobj, &wilco_dev_attr_group);
                               ^
   In file included from drivers/platform/chrome/wilco_ec/sysfs.c:12:0:
   include/linux/sysfs.h:276:18: note: expected 'struct kobject *' but argument is of type 'struct attribute * (*)[1]'
    int __must_check sysfs_create_group(struct kobject *kobj,
                     ^~~~~~~~~~~~~~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c: In function 'wilco_ec_remove_sysfs':
   drivers/platform/chrome/wilco_ec/sysfs.c:246:29: error: request for member 'kobj' in something not a structure or union
     sysfs_remove_group(&ec->dev->kobj, &wilco_dev_attr_group);
                                ^~
>> drivers/platform/chrome/wilco_ec/sysfs.c:246:21: error: passing argument 1 of 'sysfs_remove_group' from incompatible pointer type [-Werror=incompatible-pointer-types]
     sysfs_remove_group(&ec->dev->kobj, &wilco_dev_attr_group);
                        ^
   In file included from drivers/platform/chrome/wilco_ec/sysfs.c:12:0:
   include/linux/sysfs.h:284:6: note: expected 'struct kobject *' but argument is of type 'struct attribute * (*)[1]'
    void sysfs_remove_group(struct kobject *kobj,
         ^~~~~~~~~~~~~~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c: At top level:
   drivers/platform/chrome/wilco_ec/sysfs.c:97:8: warning: 'DEVICE_ATTR_WO' declared 'static' but never defined [-Wunused-function]
    static DEVICE_ATTR_WO(boot_on_ac);
           ^~~~~~~~~~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c:152:8: warning: 'DEVICE_ATTR_RO' declared 'static' but never defined [-Wunused-function]
    static DEVICE_ATTR_RO(model_number);
           ^~~~~~~~~~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c:223:8: warning: 'DEVICE_ATTR_RW' declared 'static' but never defined [-Wunused-function]
    static DEVICE_ATTR_RW(usb_charge);
           ^~~~~~~~~~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c:195:16: warning: 'usb_charge_store' defined but not used [-Wunused-function]
    static ssize_t usb_charge_store(struct device *dev,
                   ^~~~~~~~~~~~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c:176:16: warning: 'usb_charge_show' defined but not used [-Wunused-function]
    static ssize_t usb_charge_show(struct device *dev,
                   ^~~~~~~~~~~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c:146:16: warning: 'model_number_show' defined but not used [-Wunused-function]
    static ssize_t model_number_show(struct device *dev,
                   ^~~~~~~~~~~~~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c:138:16: warning: 'build_date_show' defined but not used [-Wunused-function]
    static ssize_t build_date_show(struct device *dev,
                   ^~~~~~~~~~~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c:130:16: warning: 'build_revision_show' defined but not used [-Wunused-function]
    static ssize_t build_revision_show(struct device *dev,
                   ^~~~~~~~~~~~~~~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c:122:16: warning: 'version_show' defined but not used [-Wunused-function]
    static ssize_t version_show(struct device *dev, struct device_attribute *attr,
                   ^~~~~~~~~~~~
   drivers/platform/chrome/wilco_ec/sysfs.c:65:16: warning: 'boot_on_ac_store' defined but not used [-Wunused-function]
    static ssize_t boot_on_ac_store(struct device *dev,
                   ^~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/dev_get_drvdata +69 drivers/platform/chrome/wilco_ec/sysfs.c

79e3f1d3db3d99 Raul E Rangel   2019-06-03   64  
4c1ca625c622b7 Nick Crews      2019-04-16   65  static ssize_t boot_on_ac_store(struct device *dev,
4c1ca625c622b7 Nick Crews      2019-04-16  @66  				struct device_attribute *attr,
4c1ca625c622b7 Nick Crews      2019-04-16   67  				const char *buf, size_t count)
4c1ca625c622b7 Nick Crews      2019-04-16   68  {
4c1ca625c622b7 Nick Crews      2019-04-16  @69  	struct wilco_ec_device *ec = dev_get_drvdata(dev);
4c1ca625c622b7 Nick Crews      2019-04-16   70  	struct boot_on_ac_request rq;
4c1ca625c622b7 Nick Crews      2019-04-16   71  	struct wilco_ec_message msg;
4c1ca625c622b7 Nick Crews      2019-04-16   72  	int ret;
4c1ca625c622b7 Nick Crews      2019-04-16   73  	u8 val;
4c1ca625c622b7 Nick Crews      2019-04-16   74  
4c1ca625c622b7 Nick Crews      2019-04-16   75  	ret = kstrtou8(buf, 10, &val);
4c1ca625c622b7 Nick Crews      2019-04-16   76  	if (ret < 0)
4c1ca625c622b7 Nick Crews      2019-04-16   77  		return ret;
4c1ca625c622b7 Nick Crews      2019-04-16   78  	if (val > 1)
4c1ca625c622b7 Nick Crews      2019-04-16   79  		return -EINVAL;
4c1ca625c622b7 Nick Crews      2019-04-16   80  
4c1ca625c622b7 Nick Crews      2019-04-16   81  	memset(&rq, 0, sizeof(rq));
4c1ca625c622b7 Nick Crews      2019-04-16   82  	rq.cmd = CMD_KB_CMOS;
4c1ca625c622b7 Nick Crews      2019-04-16   83  	rq.sub_cmd = SUB_CMD_KB_CMOS_AUTO_ON;
4c1ca625c622b7 Nick Crews      2019-04-16   84  	rq.val = val;
4c1ca625c622b7 Nick Crews      2019-04-16   85  
4c1ca625c622b7 Nick Crews      2019-04-16   86  	memset(&msg, 0, sizeof(msg));
4c1ca625c622b7 Nick Crews      2019-04-16   87  	msg.type = WILCO_EC_MSG_LEGACY;
4c1ca625c622b7 Nick Crews      2019-04-16   88  	msg.request_data = &rq;
4c1ca625c622b7 Nick Crews      2019-04-16   89  	msg.request_size = sizeof(rq);
4c1ca625c622b7 Nick Crews      2019-04-16   90  	ret = wilco_ec_mailbox(ec, &msg);
4c1ca625c622b7 Nick Crews      2019-04-16   91  	if (ret < 0)
4c1ca625c622b7 Nick Crews      2019-04-16   92  		return ret;
4c1ca625c622b7 Nick Crews      2019-04-16   93  
4c1ca625c622b7 Nick Crews      2019-04-16   94  	return count;
4c1ca625c622b7 Nick Crews      2019-04-16   95  }
4c1ca625c622b7 Nick Crews      2019-04-16   96  
4c1ca625c622b7 Nick Crews      2019-04-16  @97  static DEVICE_ATTR_WO(boot_on_ac);
4c1ca625c622b7 Nick Crews      2019-04-16   98  
79e3f1d3db3d99 Raul E Rangel   2019-06-03   99  static ssize_t get_info(struct device *dev, char *buf, enum get_ec_info_op op)
79e3f1d3db3d99 Raul E Rangel   2019-06-03  100  {
79e3f1d3db3d99 Raul E Rangel   2019-06-03  101  	struct wilco_ec_device *ec = dev_get_drvdata(dev);
79e3f1d3db3d99 Raul E Rangel   2019-06-03  102  	struct get_ec_info_req req = { .cmd = CMD_EC_INFO, .op = op };
79e3f1d3db3d99 Raul E Rangel   2019-06-03  103  	struct get_ec_info_resp resp;
79e3f1d3db3d99 Raul E Rangel   2019-06-03  104  	int ret;
79e3f1d3db3d99 Raul E Rangel   2019-06-03  105  
79e3f1d3db3d99 Raul E Rangel   2019-06-03  106  	struct wilco_ec_message msg = {
79e3f1d3db3d99 Raul E Rangel   2019-06-03  107  		.type = WILCO_EC_MSG_LEGACY,
79e3f1d3db3d99 Raul E Rangel   2019-06-03  108  		.request_data = &req,
79e3f1d3db3d99 Raul E Rangel   2019-06-03  109  		.request_size = sizeof(req),
79e3f1d3db3d99 Raul E Rangel   2019-06-03  110  		.response_data = &resp,
79e3f1d3db3d99 Raul E Rangel   2019-06-03  111  		.response_size = sizeof(resp),
79e3f1d3db3d99 Raul E Rangel   2019-06-03  112  	};
79e3f1d3db3d99 Raul E Rangel   2019-06-03  113  
79e3f1d3db3d99 Raul E Rangel   2019-06-03  114  	ret = wilco_ec_mailbox(ec, &msg);
79e3f1d3db3d99 Raul E Rangel   2019-06-03  115  	if (ret < 0)
79e3f1d3db3d99 Raul E Rangel   2019-06-03  116  		return ret;
79e3f1d3db3d99 Raul E Rangel   2019-06-03  117  
79e3f1d3db3d99 Raul E Rangel   2019-06-03  118  	return scnprintf(buf, PAGE_SIZE, "%.*s\n", (int)sizeof(resp.value),
79e3f1d3db3d99 Raul E Rangel   2019-06-03  119  			 (char *)&resp.value);
79e3f1d3db3d99 Raul E Rangel   2019-06-03  120  }
79e3f1d3db3d99 Raul E Rangel   2019-06-03  121  
79e3f1d3db3d99 Raul E Rangel   2019-06-03  122  static ssize_t version_show(struct device *dev, struct device_attribute *attr,
79e3f1d3db3d99 Raul E Rangel   2019-06-03  123  			  char *buf)
79e3f1d3db3d99 Raul E Rangel   2019-06-03  124  {
79e3f1d3db3d99 Raul E Rangel   2019-06-03  125  	return get_info(dev, buf, CMD_GET_EC_LABEL);
79e3f1d3db3d99 Raul E Rangel   2019-06-03  126  }
79e3f1d3db3d99 Raul E Rangel   2019-06-03  127  
79e3f1d3db3d99 Raul E Rangel   2019-06-03 @128  static DEVICE_ATTR_RO(version);
79e3f1d3db3d99 Raul E Rangel   2019-06-03  129  
79e3f1d3db3d99 Raul E Rangel   2019-06-03  130  static ssize_t build_revision_show(struct device *dev,
79e3f1d3db3d99 Raul E Rangel   2019-06-03  131  				   struct device_attribute *attr, char *buf)
79e3f1d3db3d99 Raul E Rangel   2019-06-03  132  {
79e3f1d3db3d99 Raul E Rangel   2019-06-03  133  	return get_info(dev, buf, CMD_GET_EC_REV);
79e3f1d3db3d99 Raul E Rangel   2019-06-03  134  }
79e3f1d3db3d99 Raul E Rangel   2019-06-03  135  
79e3f1d3db3d99 Raul E Rangel   2019-06-03  136  static DEVICE_ATTR_RO(build_revision);
79e3f1d3db3d99 Raul E Rangel   2019-06-03  137  
79e3f1d3db3d99 Raul E Rangel   2019-06-03  138  static ssize_t build_date_show(struct device *dev,
79e3f1d3db3d99 Raul E Rangel   2019-06-03  139  			       struct device_attribute *attr, char *buf)
79e3f1d3db3d99 Raul E Rangel   2019-06-03  140  {
79e3f1d3db3d99 Raul E Rangel   2019-06-03  141  	return get_info(dev, buf, CMD_GET_EC_BUILD_DATE);
79e3f1d3db3d99 Raul E Rangel   2019-06-03  142  }
79e3f1d3db3d99 Raul E Rangel   2019-06-03  143  
79e3f1d3db3d99 Raul E Rangel   2019-06-03  144  static DEVICE_ATTR_RO(build_date);
79e3f1d3db3d99 Raul E Rangel   2019-06-03  145  
79e3f1d3db3d99 Raul E Rangel   2019-06-03  146  static ssize_t model_number_show(struct device *dev,
79e3f1d3db3d99 Raul E Rangel   2019-06-03  147  				 struct device_attribute *attr, char *buf)
79e3f1d3db3d99 Raul E Rangel   2019-06-03  148  {
79e3f1d3db3d99 Raul E Rangel   2019-06-03  149  	return get_info(dev, buf, CMD_GET_EC_MODEL);
79e3f1d3db3d99 Raul E Rangel   2019-06-03  150  }
79e3f1d3db3d99 Raul E Rangel   2019-06-03  151  
79e3f1d3db3d99 Raul E Rangel   2019-06-03  152  static DEVICE_ATTR_RO(model_number);
79e3f1d3db3d99 Raul E Rangel   2019-06-03  153  
fdf0fe2df3e321 Daniel Campello 2019-10-08  154  static int send_usb_charge(struct wilco_ec_device *ec,
fdf0fe2df3e321 Daniel Campello 2019-10-08  155  				struct usb_charge_request *rq,
fdf0fe2df3e321 Daniel Campello 2019-10-08  156  				struct usb_charge_response *rs)
fdf0fe2df3e321 Daniel Campello 2019-10-08  157  {
fdf0fe2df3e321 Daniel Campello 2019-10-08  158  	struct wilco_ec_message msg;
fdf0fe2df3e321 Daniel Campello 2019-10-08  159  	int ret;
fdf0fe2df3e321 Daniel Campello 2019-10-08  160  
fdf0fe2df3e321 Daniel Campello 2019-10-08  161  	memset(&msg, 0, sizeof(msg));
fdf0fe2df3e321 Daniel Campello 2019-10-08  162  	msg.type = WILCO_EC_MSG_LEGACY;
fdf0fe2df3e321 Daniel Campello 2019-10-08  163  	msg.request_data = rq;
fdf0fe2df3e321 Daniel Campello 2019-10-08  164  	msg.request_size = sizeof(*rq);
fdf0fe2df3e321 Daniel Campello 2019-10-08  165  	msg.response_data = rs;
fdf0fe2df3e321 Daniel Campello 2019-10-08  166  	msg.response_size = sizeof(*rs);
fdf0fe2df3e321 Daniel Campello 2019-10-08  167  	ret = wilco_ec_mailbox(ec, &msg);
fdf0fe2df3e321 Daniel Campello 2019-10-08  168  	if (ret < 0)
fdf0fe2df3e321 Daniel Campello 2019-10-08  169  		return ret;
fdf0fe2df3e321 Daniel Campello 2019-10-08  170  	if (rs->status)
fdf0fe2df3e321 Daniel Campello 2019-10-08  171  		return -EIO;
fdf0fe2df3e321 Daniel Campello 2019-10-08  172  
fdf0fe2df3e321 Daniel Campello 2019-10-08  173  	return 0;
fdf0fe2df3e321 Daniel Campello 2019-10-08  174  }
fdf0fe2df3e321 Daniel Campello 2019-10-08  175  
fdf0fe2df3e321 Daniel Campello 2019-10-08  176  static ssize_t usb_charge_show(struct device *dev,
fdf0fe2df3e321 Daniel Campello 2019-10-08  177  				    struct device_attribute *attr, char *buf)
fdf0fe2df3e321 Daniel Campello 2019-10-08  178  {
fdf0fe2df3e321 Daniel Campello 2019-10-08  179  	struct wilco_ec_device *ec = dev_get_drvdata(dev);
fdf0fe2df3e321 Daniel Campello 2019-10-08  180  	struct usb_charge_request rq;
fdf0fe2df3e321 Daniel Campello 2019-10-08  181  	struct usb_charge_response rs;
fdf0fe2df3e321 Daniel Campello 2019-10-08  182  	int ret;
fdf0fe2df3e321 Daniel Campello 2019-10-08  183  
fdf0fe2df3e321 Daniel Campello 2019-10-08  184  	memset(&rq, 0, sizeof(rq));
fdf0fe2df3e321 Daniel Campello 2019-10-08  185  	rq.cmd = CMD_USB_CHARGE;
fdf0fe2df3e321 Daniel Campello 2019-10-08  186  	rq.op = USB_CHARGE_GET;
fdf0fe2df3e321 Daniel Campello 2019-10-08  187  
fdf0fe2df3e321 Daniel Campello 2019-10-08  188  	ret = send_usb_charge(ec, &rq, &rs);
fdf0fe2df3e321 Daniel Campello 2019-10-08  189  	if (ret < 0)
fdf0fe2df3e321 Daniel Campello 2019-10-08  190  		return ret;
fdf0fe2df3e321 Daniel Campello 2019-10-08  191  
fdf0fe2df3e321 Daniel Campello 2019-10-08  192  	return sprintf(buf, "%d\n", rs.val);
fdf0fe2df3e321 Daniel Campello 2019-10-08  193  }
fdf0fe2df3e321 Daniel Campello 2019-10-08  194  
fdf0fe2df3e321 Daniel Campello 2019-10-08  195  static ssize_t usb_charge_store(struct device *dev,
fdf0fe2df3e321 Daniel Campello 2019-10-08  196  				     struct device_attribute *attr,
fdf0fe2df3e321 Daniel Campello 2019-10-08  197  				     const char *buf, size_t count)
fdf0fe2df3e321 Daniel Campello 2019-10-08  198  {
fdf0fe2df3e321 Daniel Campello 2019-10-08  199  	struct wilco_ec_device *ec = dev_get_drvdata(dev);
fdf0fe2df3e321 Daniel Campello 2019-10-08  200  	struct usb_charge_request rq;
fdf0fe2df3e321 Daniel Campello 2019-10-08  201  	struct usb_charge_response rs;
fdf0fe2df3e321 Daniel Campello 2019-10-08  202  	int ret;
fdf0fe2df3e321 Daniel Campello 2019-10-08  203  	u8 val;
fdf0fe2df3e321 Daniel Campello 2019-10-08  204  
fdf0fe2df3e321 Daniel Campello 2019-10-08  205  	ret = kstrtou8(buf, 10, &val);
fdf0fe2df3e321 Daniel Campello 2019-10-08  206  	if (ret < 0)
fdf0fe2df3e321 Daniel Campello 2019-10-08  207  		return ret;
fdf0fe2df3e321 Daniel Campello 2019-10-08  208  	if (val > 1)
fdf0fe2df3e321 Daniel Campello 2019-10-08  209  		return -EINVAL;
fdf0fe2df3e321 Daniel Campello 2019-10-08  210  
fdf0fe2df3e321 Daniel Campello 2019-10-08  211  	memset(&rq, 0, sizeof(rq));
fdf0fe2df3e321 Daniel Campello 2019-10-08  212  	rq.cmd = CMD_USB_CHARGE;
fdf0fe2df3e321 Daniel Campello 2019-10-08  213  	rq.op = USB_CHARGE_SET;
fdf0fe2df3e321 Daniel Campello 2019-10-08  214  	rq.val = val;
fdf0fe2df3e321 Daniel Campello 2019-10-08  215  
fdf0fe2df3e321 Daniel Campello 2019-10-08  216  	ret = send_usb_charge(ec, &rq, &rs);
fdf0fe2df3e321 Daniel Campello 2019-10-08  217  	if (ret < 0)
fdf0fe2df3e321 Daniel Campello 2019-10-08  218  		return ret;
fdf0fe2df3e321 Daniel Campello 2019-10-08  219  
fdf0fe2df3e321 Daniel Campello 2019-10-08  220  	return count;
fdf0fe2df3e321 Daniel Campello 2019-10-08  221  }
fdf0fe2df3e321 Daniel Campello 2019-10-08  222  
fdf0fe2df3e321 Daniel Campello 2019-10-08 @223  static DEVICE_ATTR_RW(usb_charge);
79e3f1d3db3d99 Raul E Rangel   2019-06-03  224  
4c1ca625c622b7 Nick Crews      2019-04-16  225  static struct attribute *wilco_dev_attrs[] = {
4c1ca625c622b7 Nick Crews      2019-04-16 @226  	&dev_attr_boot_on_ac.attr,
79e3f1d3db3d99 Raul E Rangel   2019-06-03 @227  	&dev_attr_build_date.attr,
79e3f1d3db3d99 Raul E Rangel   2019-06-03 @228  	&dev_attr_build_revision.attr,
79e3f1d3db3d99 Raul E Rangel   2019-06-03 @229  	&dev_attr_model_number.attr,
fdf0fe2df3e321 Daniel Campello 2019-10-08 @230  	&dev_attr_usb_charge.attr,
79e3f1d3db3d99 Raul E Rangel   2019-06-03 @231  	&dev_attr_version.attr,
4c1ca625c622b7 Nick Crews      2019-04-16  232  	NULL,
4c1ca625c622b7 Nick Crews      2019-04-16  233  };
4c1ca625c622b7 Nick Crews      2019-04-16  234  
4c1ca625c622b7 Nick Crews      2019-04-16  235  static struct attribute_group wilco_dev_attr_group = {
4c1ca625c622b7 Nick Crews      2019-04-16  236  	.attrs = wilco_dev_attrs,
4c1ca625c622b7 Nick Crews      2019-04-16  237  };
4c1ca625c622b7 Nick Crews      2019-04-16  238  
4c1ca625c622b7 Nick Crews      2019-04-16  239  int wilco_ec_add_sysfs(struct wilco_ec_device *ec)
4c1ca625c622b7 Nick Crews      2019-04-16  240  {
4c1ca625c622b7 Nick Crews      2019-04-16 @241  	return sysfs_create_group(&ec->dev->kobj, &wilco_dev_attr_group);
4c1ca625c622b7 Nick Crews      2019-04-16  242  }
4c1ca625c622b7 Nick Crews      2019-04-16  243  
4c1ca625c622b7 Nick Crews      2019-04-16  244  void wilco_ec_remove_sysfs(struct wilco_ec_device *ec)
4c1ca625c622b7 Nick Crews      2019-04-16  245  {
4c1ca625c622b7 Nick Crews      2019-04-16 @246  	sysfs_remove_group(&ec->dev->kobj, &wilco_dev_attr_group);

:::::: The code at line 69 was first introduced by commit
:::::: 4c1ca625c622b7a9f04c2949fd1ffdc6effa86de platform/chrome: wilco_ec: Add Boot on AC support

:::::: TO: Nick Crews <ncrews@...omium.org>
:::::: CC: Enric Balletbo i Serra <enric.balletbo@...labora.com>

---
0-DAY kernel test infrastructure                 Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation

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